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Bestoss

Bestoss GM328 256GB NVMe internal SSD

SKU CH-5B6E-RB8WB

256GB M.2 2280 NVMe SSD with PCIe 3.0 x4 reaching 3200 MB/s read and 2500 MB/s write using 3D NAND and HMB cache

  • Total capacity256 GB
  • Sequential read speedUp to 3,200 MB/s
  • Sequential write speedUp to 2,500 MB/s
  • Interface typePCI-Express 3.0 x4
  • Form factorM.2 2280
  • NAND flash type3D NAND

Capacity 256GB

  • Sequential reads up to 3200 MB/s for fast boot and load times
  • Sequential writes up to 2500 MB/s to move large files quickly
  • M.2 2280 form factor fits standard laptop and desktop slots
  • PCIe 3.0 x4 interface with NVMe protocol for low-latency performance
  • 3D NAND TLC flash and HMB cache deliver reliable endurance without DRAM

GM328 256 GB NVMe SSD

The Bestoss GM328 is a 256 GB internal solid-state drive built for consumers who want faster boot times and snappier application loading in laptops or desktops. It uses 3D NAND TLC flash and the NVMe protocol to deliver solid everyday performance.

PCIe 3.0 x4 interface limits

The drive connects through a PCI-Express 3.0 x4 link, so its maximum sequential throughput is capped by that generation's bandwidth. Real-world speeds will not exceed the 3200 MBps read and 2500 MBps write ceiling defined by the interface.

256 GB capacity and headroom

At 256 GB the GM328 comfortably holds an operating system, core productivity apps and a modest game library. Heavy media libraries or large creative-project caches will fill the space quickly, requiring a secondary drive or a higher-capacity model.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $41.99
Cheaper than about 92% of the 1,994 comparable items (median $180.49).
Total capacity 256 GB
Lower than about 80% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 3,200 MB/s
Higher than about 57% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $164.02 per TB
Typical for this category: the median of 1,362 items is $165.50 per TB.

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Specifications

Product
Brand nameBestoss
Product lineGM Series
Model nameGM328
Total capacity256 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 3,200 MB/s
Sequential write speedUp to 2,500 MB/s
Storage
NAND flash type3D NAND
Cache memoryNo DRAM (HMB)
Connectivity
Connection protocolNVMe
Ports & slots
Interface typePCI-Express 3.0 x4
Size & build
Form factorM.2 2280

Other versions of this model

5 more in the same range

Questions about this item

Should I pick the 256 GB GM328 or one of the larger capacities?

The 256 GB model suits light workloads and boot drives; higher capacities in the same series give more space for games and media while keeping the same 3200 MB/s read ceiling.

What does the 3200 MB/s read figure mean for everyday use?

It represents the peak sequential throughput on a PCIe 3.0 x4 link; typical OS boot, app launches and file copies run below that peak but still benefit from the NVMe protocol’s low latency.

Will the PCIe 3.0 x4 interface limit performance on a newer motherboard?

The drive is built for PCIe 3.0 x4, so on a PCIe 4.0 or 5.0 slot it will operate at Gen 3 speeds, capping sequential reads at the rated 3200 MB/s.

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